Phoenix Studio

Convert indexed Sigma rules into analyst-ready detections.

This studio is built around Phoenix's own rule corpus, not a blank editor. Search by title or rule id, choose a local pySigma backend, then reveal pipelines only when you actually need them.

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Indexed Rules

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Backends

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pySigma Versions

Newest: 2.0.1

Translation Workspace

Shape the rule before it leaves Phoenix

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Active Rule

TanStack Supply-Chain Attack Execution Indicators - Windows

pySigma version

Backends follow their supported pySigma version. Select 1.5.1 for Elasticsearch, Kusto, and other 1.x plugins.

Backend

Format

Target Profile

Splunk

Splunk through pysigma-backend-splunk.

Format Mode

Default

Default pySigma output mode for this backend.

Conversion Output

TanStack Supply-Chain Attack Execution Indicators - Windows

Using Splunk · Default · pySigma 2.0.1

Translation controls

Adjust the rule on the left, then regenerate when you want a fresh backend-native query.

BackendSplunkFormatDefaultVersion2.0.1

title: TanStack Supply-Chain Attack Execution Indicators - Windows
id: 9b4f3d2e-6e8c-5fab-c7d9-2a3b4e5f6a7b
status: experimental
description: Detects process execution indicators associated with the Mini Shai-Hulud supply-chain campaign targeting TanStack npm packages and others such as mistralai, uipath reported on early May 2026.
references:
    - https://socket.dev/blog/tanstack-npm-packages-compromised-mini-shai-hulud-supply-chain-attack
    - https://socket.dev/supply-chain-attacks/mini-shai-hulud
    - https://safedep.io/mass-npm-supply-chain-attack-tanstack-mistral/
author: Leonardo Gasparini
date: 2026-05-12
tags:
    - attack.execution
    - attack.t1059.007
    - attack.t1204.002
    - detection.emerging-threats
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\bun.exe'
        CommandLine|contains|all:
            - 'run'
            - 'tanstack_runner.js'
    condition: selection
falsepositives:
    - Unlikely
level: high

CLI command

Sigma CLI 4.0.0 · Install matching versions, then run from the Phoenix project directory.

python -m pip install 'sigma-cli==4.0.0' 'pysigma==2.0.1' 'pysigma-backend-splunk==3.0.0'
sigma convert --without-pipeline -t splunk -f default 'sigma/rules-emerging-threats/2026/Malware/TanStack-Supply-Chain/proc_creation_win_malware_tanstack_supply_chain.yml'